Catalytic reduction of acetylene and dinitrogen with the participation of the iron-molybdenum cofactor of nitrogenase and synthetic polynuclear molybdenum(III) complexes

被引:14
作者
Bazhenova, TA [1 ]
Bazhenova, MA [1 ]
Petrova, GN [1 ]
Shilova, AK [1 ]
Shilov, AE [1 ]
机构
[1] Russian Acad Sci, Inst Chem Phys Chernogolovka, Chernogolovka 142432, Moscow Region, Russia
基金
俄罗斯基础研究基金会;
关键词
nitrogen fixation; metal clusters; acetylene; dinitrogen; multi-electron reduction; FeMo-cofactor of nitrogenase;
D O I
10.1007/BF02498153
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Catalytic reduction of acetylene and dinitrogen was carried out by sodium, zinc, and europium amalgams in the presence of polymolybdenum clusters and the iron-molybdenum cofactor of nitrogenase isolated from the enzyme. The activity of both catalysts toward acetylene changes in the sequence Zn(Hg) < Eu(Hg) < Na(Hg), increasing as the redox potential of the reducing agent is shifted to the negative region. The catalytic reduction of N-2 occurs only by the action of sodium and europium amalgams and only in the presence of synthetic polymolybdenum complexes; in the case of Na(Hg), the main product is hydrazine; in the case of Eu(Hg), it is ammonia.
引用
收藏
页码:861 / 867
页数:7
相关论文
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